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From the collection of The Ed Muirhead Physics Museum

469 Items featured online

Standard Capacitor Nalder Bros & Co

Physical description

No. of pieces: one object recessed into wooden box with detachable parts. Handmade wooden box enclosing a machine molded solid metal object. Plastic machine molded attachment. Gold electroplated metal, wax-matte hand polished wooden box, plastic has either been polished or had a varnish polish added to the surface. Detachable brass elliptical stopper, two brass butterfly screws, two hook latches attached to outside of box to secure object for transport. Polished wood surface, possibly wax coated. Brass metal coated with gold patina/electroplating. Plastic component either polished or coated with gloss varnish.

Inscriptions & markings

Inscribed on top of the object, in the wooden box: “MICROFARAD/NALDER BROS & CO/WESTMINSTER/No 1509” Paint dot approx. 1.0cm in diameter on top face of wooden box, back edge, towards the right.